CN108149512A - Papery nut packaging bag and preparation method thereof - Google Patents
Papery nut packaging bag and preparation method thereof Download PDFInfo
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- CN108149512A CN108149512A CN201711395422.3A CN201711395422A CN108149512A CN 108149512 A CN108149512 A CN 108149512A CN 201711395422 A CN201711395422 A CN 201711395422A CN 108149512 A CN108149512 A CN 108149512A
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- preparation
- starch
- papery
- packaging bag
- paper
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/28—Organic non-cellulose fibres from natural polymers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/28—Organic non-cellulose fibres from natural polymers
- D21H13/30—Non-cellulose polysaccharides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/28—Organic non-cellulose fibres from natural polymers
- D21H13/30—Non-cellulose polysaccharides
- D21H13/32—Alginate fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of papery nut packaging bag and preparation method thereof, including：Log is starched, bark, fiber crops, straw, mica sheet, reinforcing filler and limewash is according to 100：35‑55：6‑10：2‑5：10‑15：15‑25：200 300 weight ratio is mixed, boiling is with obtained paper pulp；The paper pulp is carried out washing material, white, dnockout, fishing paper is shone, drain and roasts paper with the obtained papery nut packaging bag.Present invention selection log slurry, bark, fiber crops, straw, mica sheet, reinforcing filler and limewash are mixed according to specific ratio, boiling is with obtained paper pulp；It has selected for mica sheet, reinforcing filler to be added to the intensity for further improving papery nut packaging bag obtained in the raw material of paper in the preparation method, has improved its burst index.
Description
Technical field
The present invention relates to the production fields of papery packaging, and in particular, to a kind of papery nut packaging bag and preparation method.
Background technology
Nut is a classification of indehiscent fruit, and pericarp is hard, includes 1 or more seeds.Such as：Chinese chestnut, opens walnut
Heart fruit, cashew nut and almond etc., nut are the hard and more sharp shape of watchcase mostly, therefore when selecting nut packaging bag, packet
The mechanical strength of pack should be that requirement is higher.In addition, the preservation of nut fruits is needed in sealing, drying and good antimicrobial effect
The flavor of nut just can be preferably maintained under environment.But the mid-season preservation of nut this humidity in winter is even more
Need to have excellent moisture-proof, antibacterial and the high packaging material of intensity.
Invention content
The object of the present invention is to provide a kind of papery nut packaging bag and preparation method thereof, the machines of the papery nut packaging bag
Tool intensity is high, and burst index is high and anti-microbial property is excellent, is suitable for packing, being durable for various nut fruits products.
To achieve these goals, the present invention provides a kind of preparation method of papery nut packaging bag, wherein, including：
Log is starched, bark, fiber crops, straw, mica sheet, reinforcing filler and limewash is according to 100：35-55：6-10：2-5：10-15：15-
25：The weight ratio of 200-300 is mixed, boiling is with obtained paper pulp；By the paper pulp wash material, shine white, dnockout, fishing paper,
Paper is drained and roasted so that rag paper is made, the rag paper is cut out, processes and obtains the papery nut packaging bag.
Through the above technical solutions, present invention selection log slurry, bark, fiber crops, straw, mica sheet, reinforcing filler and lime
Water is mixed according to specific ratio, boiling is with obtained paper pulp；It has selected to add mica sheet, reinforcing filler in the preparation method
Enter the intensity that rag paper obtained is further improved into the raw material of paper, improve its burst index.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
The specific embodiment of the present invention is described in detail below.It is it should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood to comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It between the endpoint value of a range and individual point value and can be individually combined with each other between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
A kind of preparation method of papery nut packaging bag is provided in the present invention, including：Log is starched, bark, fiber crops, rice
Grass, mica sheet, reinforcing filler and limewash are according to 100：35-55：6-10：2-5：10-15：15-25：The weight ratio of 200-300
It is mixed, boiling is with obtained paper pulp；The paper pulp is carried out washing material, white, dnockout, fishing paper is shone, drain and roasts paper with obtained institute
State papery nut packaging bag.
In above-mentioned technical proposal, described type of reinforcing filler and preparation method thereof can be selected in wide range
It selects, but in order to further improve the intensity of papery nut packaging bag obtained, it is preferable that the reinforcing filler is by with lower section
Method is made：Kaolin, chitin fiber, bamboo fibre, alginate fibre, starch, titanium dioxide, diatomite and ceria are mixed,
It is heat-treated, is ground up, sieved obtained rag paper, the rag paper is cut out, processes and obtains the papery nut packaging bag.
In the preparation process of above-mentioned papery nut packaging bag, the specific proportioning of each raw material of the reinforcing filler can be
It is selected in wide range, but in order to further improve the intensity of papery nut packaging bag obtained, it is preferable that the kaolinite
Soil, chitin fiber, bamboo fibre, alginate fibre, starch, titanium dioxide, diatomite and ceria weight ratio be 100：1-5：3-8：
3-6：5-10：1-5：2-8：0.15-0.35.
In above-mentioned technical proposal, the condition of the heat treatment can select in wide range, but in order to improve hot place
The mutual synergistic effect between reinforcing filler and other raw materials is made in the effect of reason and then raising, it is preferable that the heat treatment
Condition is：Under nitrogen atmosphere, it is started to warm up from room temperature to 500-600 DEG C and maintains 1h at 500-600 DEG C, wherein, heating rate
For 10-15 DEG C/min；Then direct water-cooling after after being cooled to 100-150 DEG C with the rate of temperature fall of 10-15 DEG C/min.
In above-mentioned technical proposal, the grain size of the reinforcing filler can select in wide range, but increase to improve
Mutual synergistic effect between filler and other components by force, and then the intensity of papery nut packaging bag made from raising, it is preferable that
The average grain diameter of the reinforcing filler is 400-500 μm.
In above-mentioned technical proposal, the condition of the boiling can select in wide range, but in order to improve boiling
The intensity of papery nut packaging bag made from effect and then raising, it is preferable that the boiling meets the following conditions：Boiling temperature is
110-200 DEG C and/or digestion time are 4-6 days.
In above-mentioned technical proposal, the white condition of the solarization can select in wide range, but shine white to improve
Effect and then raising preparation efficiency, it is preferable that the solarization meets the following conditions in vain：White temperature is shone for 15-35 DEG C, and shining the white time is
The 2-3 months.
In above-mentioned technical proposal, the type of the chitin fiber can select in wide range, but in order to improve
The antibacterial effect of papery nut packaging bag obtained, it is preferable that the chitin fiber is by shrimp, crab, locust, snail and centipede
One or more body shells in extract and obtain.
In above-mentioned technical proposal, the type of the starch can select in wide range, but obtained in order to improve
The antibacterial effect and intensity of papery nut packaging bag, it is preferable that the starch is green starch, tapioca, sweet potato starch, red
It is one or more in sweet potato starch, potato starch, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch and cornstarch.
Papery nut packaging bag made from above-mentioned preparation method is additionally provided in the present invention.
The present invention will be described in detail by way of examples below.
Preparation example 1
Kaolin, chitin fiber (are extracted from into the body shell of shrimp, crab, snail and centipede according to 1：1：1：2 weight ratio is mixed
In fit shell), bamboo fibre, alginate fibre, (green starch, tapioca, sweet potato starch and cornstarch are according to 1 for starch：1：2：
1 weight ratio mixing), titanium dioxide, diatomite and ceria be according to 100：1：3：3：5：1：2：0.15 weight ratio is mixed；It connects
It, under nitrogen atmosphere, is started to warm up from room temperature to 500 DEG C and maintain 1h at 500 DEG C, wherein, heating rate is 10 DEG C/min；It connects
Direct water-cooling after after being cooled to 100 DEG C with the rate of temperature fall of 10 DEG C/min；Finally, obtained average grain diameter is ground up, sieved as 400 μ
The reinforcing filler of m；It is denoted as W1.
Preparation example 2
Kaolin, chitin fiber (are extracted from into the body shell of shrimp, crab, locust, snail and centipede according to 1：1：1：1：1
In weight ratio mixing body shell), bamboo fibre, alginate fibre, sweet potato starch, titanium dioxide, diatomite and ceria be according to 100：3：5：4：
8：3：7：0.25 weight ratio is mixed；Then, under nitrogen atmosphere, started to warm up from room temperature to 550 DEG C and in 550 DEG C of maintenances
1h, wherein, heating rate is 15 DEG C/min；Then direct water-cooling after after being cooled to 150 DEG C with the rate of temperature fall of 15 DEG C/min；Most
Afterwards, it is ground up, sieved the reinforcing filler that obtained average grain diameter is 450 μm；It is denoted as W2.
Preparation example 3
Kaolin, chitin fiber (are extracted from into shrimp, crab, locust, snail and centipede body shell according to 1：1：1：1：1 weight
Amount than mixing body shell in), bamboo fibre, alginate fibre, (green starch, tapioca, Rhizoma Nelumbinis starch and cornstarch are according to 1 for starch：
1：1：1 weight ratio is mixed to get), titanium dioxide, diatomite and ceria be according to 100：3：8：6：10：5：8：0.35 weight ratio into
Row mixing；Then, under nitrogen atmosphere, started to warm up from room temperature to 600 DEG C and maintain 1h at 600 DEG C, wherein, heating rate 15
℃/min；Then direct water-cooling after after being cooled to 150 DEG C with the rate of temperature fall of 15 DEG C/min；Finally, it is ground up, sieved and is made average
Grain size is 500 μm of the reinforcing filler；It is denoted as W3.
Preparation example 4
The reinforcing filler is prepared Following the procedure of Example 1；W4 is denoted as, the difference is that the heating speed in heat treatment process
Rate is 20 DEG C/min.
Preparation example 5
The reinforcing filler is prepared Following the procedure of Example 1；W5 is denoted as, the difference is that the cooling speed in heat treatment process
Rate is 20 DEG C/min.
Preparation example 6
The reinforcing filler is prepared Following the procedure of Example 1；W6 is denoted as, the difference is that not adding in chitin fibre in raw material
Dimension.
Preparation example 7
The reinforcing filler is prepared Following the procedure of Example 1；W7 is denoted as, the difference is that not adding in bamboo fibre in raw material.
Preparation example 8
The reinforcing filler is prepared Following the procedure of Example 1；W8 is denoted as, the difference is that not adding in seaweed fibre in raw material
Dimension.
Preparation example 9
The reinforcing filler is prepared Following the procedure of Example 1；W9 is denoted as, the difference is that not adding in starch in raw material.
Preparation example 10
The reinforcing filler is prepared Following the procedure of Example 1；W10 is denoted as, the difference is that not adding in diatomite in raw material.
Preparation example 11
The reinforcing filler is prepared Following the procedure of Example 1；W11 is denoted as, the difference is that not adding in ceria in raw material.
Embodiment 1
Log is starched, bark, fiber crops, straw, mica sheet, reinforcing filler W1 and limewash is according to 100：35：6：2：10：15：
200 weight ratio is mixed；Then, at 110 DEG C boiling 6 days paper pulp is made；Finally, by the paper pulp wash material,
White (white March is shone at 20 DEG C) is shone, dnockout, fishing paper, drains and roasts paper so that rag paper is made, the rag paper is cut out, is processed i.e.
The papery nut packaging bag is made；It is denoted as A1.
Embodiment 2
Log is starched, bark, fiber crops, straw, mica sheet, reinforcing filler W1 and limewash is according to 100：45：8：3：12：20：
250 weight ratio is mixed；Then, at 150 DEG C boiling 5 days paper pulp is made；Finally, by the paper pulp wash material,
White (being shone at 30 DEG C white 2 months) is shone, dnockout, fishing paper, drains and roasts paper so that rag paper is made, the rag paper is cut out, is processed i.e.
The papery nut packaging bag is made；It is denoted as A2.
Embodiment 3
Log is starched, bark, fiber crops, straw, mica sheet, reinforcing filler W1 and limewash is according to 100：55：10：5：15：25：
300 weight ratio is mixed；Then, at 200 DEG C boiling 4 days paper pulp is made；Finally, by the paper pulp wash material,
White (being shone at 35 DEG C white 2 months) is shone, dnockout, fishing paper, drains and roasts paper so that rag paper is made, the rag paper is cut out, is processed i.e.
The papery nut packaging bag is made；It is denoted as A3.
Embodiment 4
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A4；Different has used reinforcing filler W4
Instead of W1.
Embodiment 5
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A5；Different has used reinforcing filler W5
Instead of W1.
Embodiment 6
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A6；Different has used reinforcing filler W6
Instead of W1.
Embodiment 7
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A7；Different has used reinforcing filler W7
Instead of W1.
Embodiment 8
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A8；Different has used reinforcing filler W8
Instead of W1.
Embodiment 9
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A9；Different has used reinforcing filler W9
Instead of W1.
Embodiment 10
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A10；Different has used reinforcing filler
W10 is instead of W1.
Embodiment 11
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as A11；Different has used reinforcing filler
W11 is instead of W1.
Comparative example 1
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as B1；The difference is that do not add in paper pulp raw material
Enter reinforcing filler W1.
Comparative example 2
The papery nut packaging bag is prepared Following the procedure of Example 1, is denoted as B2；The difference is that do not add in paper pulp raw material
Enter mica sheet.
Detect example 1
Burst index (the KPam of A1-A11 and B1-B2 is measured according to the method for standard GB/T454-20022/ g), specifically
It the results are shown in Table 1.
Table 1
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail, within the scope of the technical concept of the present invention, a variety of simple variants can be carried out to technical scheme of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of papery nut packaging bag, which is characterized in that including：Log is starched, bark, fiber crops, straw, mica
Piece, reinforcing filler and limewash are according to 100：35-55：6-10：2-5：10-15：15-25：The weight ratio of 200-300 is mixed
It closes, boiling is with obtained paper pulp；The paper pulp is carried out washing material, white, dnockout, fishing paper is shone, drain and roasts paper so that rag paper is made, by institute
Rag paper is stated to be cut out, process and obtain the papery nut packaging bag.
2. preparation method according to claim 1, wherein, the reinforcing filler is made by following methods：By kaolin,
Chitin fiber, bamboo fibre, alginate fibre, starch, titanium dioxide, diatomite and ceria are mixed, are heat-treated, ground sieve series
Obtain the reinforcing filler.
3. preparation method according to claim 2, wherein, the kaolin, chitin fiber, bamboo fibre, alginate fibre,
Starch, titanium dioxide, diatomite and ceria weight ratio be 100：1-5：3-8：3-6：5-10：1-5：2-8：0.15-0.35.
4. preparation method according to claim 2, wherein, the condition of the heat treatment is：Under nitrogen atmosphere, it is opened from room temperature
Beginning is warming up to 500-600 DEG C and maintains 1h at 500-600 DEG C, wherein, heating rate is 10-15 DEG C/min；Then with 10-15
DEG C/rate of temperature fall of min be cooled to 100-150 DEG C after after direct water-cooling.
5. preparation method according to claim 2, wherein, the average grain diameter of the reinforcing filler is 400-500 μm.
6. according to the preparation method described in any one in claim 1-5, wherein, the boiling meets the following conditions：Boiling
Temperature is 110-200 DEG C and/or digestion time is 4-6 days.
7. according to the preparation method described in any one in claim 1-5, wherein, the solarization meets the following conditions in vain：It shines white
Temperature is 15-35 DEG C, shines the white time for the 2-3 months.
8. preparation method according to claim 2, wherein, the chitin fiber is by shrimp, crab, locust, snail and centipede
In one or more body shells in extract and obtain.
9. preparation method according to claim 2, wherein, the starch is green starch, tapioca, sweet potato starch,
It is one or more in starch from sweet potato, potato starch, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch and cornstarch.
10. papery nut packaging bag made from the preparation method in a kind of 1-9 as claim described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395422.3A CN108149512A (en) | 2017-12-21 | 2017-12-21 | Papery nut packaging bag and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395422.3A CN108149512A (en) | 2017-12-21 | 2017-12-21 | Papery nut packaging bag and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108149512A true CN108149512A (en) | 2018-06-12 |
Family
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| CN201711395422.3A Withdrawn CN108149512A (en) | 2017-12-21 | 2017-12-21 | Papery nut packaging bag and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087504A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | Antibacterial food bag and preparation method thereof |
| CN107364214A (en) * | 2017-06-22 | 2017-11-21 | 芜湖蓝天工程塑胶有限公司 | From sterilization aviation paper-plastic stick refuse bag and preparation method thereof |
| CN107419597A (en) * | 2017-08-22 | 2017-12-01 | 安徽悦尔伟塑料机械有限公司 | Composite paper-plastic material and preparation method thereof |
| CN107489067A (en) * | 2017-08-22 | 2017-12-19 | 安徽悦尔伟塑料机械有限公司 | Extrusion coating paper and preparation method thereof |
-
2017
- 2017-12-21 CN CN201711395422.3A patent/CN108149512A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087504A (en) * | 2016-06-17 | 2016-11-09 | 铜陵方正塑业科技有限公司 | Antibacterial food bag and preparation method thereof |
| CN107364214A (en) * | 2017-06-22 | 2017-11-21 | 芜湖蓝天工程塑胶有限公司 | From sterilization aviation paper-plastic stick refuse bag and preparation method thereof |
| CN107419597A (en) * | 2017-08-22 | 2017-12-01 | 安徽悦尔伟塑料机械有限公司 | Composite paper-plastic material and preparation method thereof |
| CN107489067A (en) * | 2017-08-22 | 2017-12-19 | 安徽悦尔伟塑料机械有限公司 | Extrusion coating paper and preparation method thereof |
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